70923497 has 2 divisors, whose sum is σ = 70923498. Its totient is φ = 70923496.

The previous prime is 70923491. The next prime is 70923547. The reversal of 70923497 is 79432907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65674816 + 5248681 = 8104^2 + 2291^2 .

It is an emirp because it is prime and its reverse (79432907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70923497 - 2¹⁰ = 70922473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70923491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35461748 + 35461749.

It is an arithmetic number, because the mean of its divisors is an integer number (35461749).

Almost surely, 2^70923497 is an apocalyptic number.

It is an amenable number.

70923497 is a deficient number, since it is larger than the sum of its proper divisors (1).

70923497 is an equidigital number, since it uses as much as digits as its factorization.

70923497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 70923497 is about 8421.6089317897. The cubic root of 70923497 is about 413.9329961499.

The spelling of 70923497 in words is "seventy million, nine hundred twenty-three thousand, four hundred ninety-seven".